4 sides, one set of parallel sides

I have both the pairs of opposite sides equal. And my all angles measure 90° too. Who am I ?

My opposite sides are equal and all sides are equal too. Who am I?

I have only one pair of opposite sides parallel. Who am I?

I have both the pairs of opposite sides parallel and opposite angles equal. Guess who am I ?

I have 4 sides. My all angles are different. My sides can be of different sizes but only one pair of opposite sides is parallel. I am neither a square nor a rectangle. Then who am I ?

4 sides, 2 sets of parallel sides

4 equal sides, 2 sets of parallel sides

Lines that do not intersect

My all 4 sides are equal. And also my all angles measure 90°. Who am I ?